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89779401 = 3319716879
BaseRepresentation
bin1010101100111…
…10110011001001
320020221021012000
411112132303021
5140440420101
612524141213
72140053345
oct526366311
9206837160
1089779401
1146750658
1226097809
13157a570a
14bcd0625
157d36486
hex559ecc9

89779401 has 16 divisors (see below), whose sum is σ = 133689600. Its totient is φ = 59545584.

The previous prime is 89779343. The next prime is 89779421. The reversal of 89779401 is 10497798.

It is not a de Polignac number, because 89779401 - 217 = 89648329 is a prime.

It is a super-3 number, since 3×897794013 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (89779421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3121 + ... + 13758.

It is an arithmetic number, because the mean of its divisors is an integer number (8355600).

Almost surely, 289779401 is an apocalyptic number.

It is an amenable number.

89779401 is a deficient number, since it is larger than the sum of its proper divisors (43910199).

89779401 is a wasteful number, since it uses less digits than its factorization.

89779401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17085 (or 17079 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 89779401 is about 9475.1992591185. The cubic root of 89779401 is about 447.7740293886.

The spelling of 89779401 in words is "eighty-nine million, seven hundred seventy-nine thousand, four hundred one".

Divisors: 1 3 9 27 197 591 1773 5319 16879 50637 151911 455733 3325163 9975489 29926467 89779401